Variables Statistics Scale
Participant characteristic
HIV Risk
Low
High
Sexual Identity
Heterosexual men
Men who have sex with men
Heterosexual women
  53.0%
47.0% 21%
20%
59%
  Percent of Participants   Percent of Participants
Healthcare system issue
Adequate healthcare access
Knowledge, perception, and attitude toward HIV and Research
Knowledge about clinical trials
Knowledge about HIV vaccine trials
Awareness of the Tuskegee Syphilis Study
HIV/AIDS genocidal conspiracy
Mistrust
Personal and temporal factors related to clinical trial participation
Know someone infected with HIV/AIDS
Social network support for trial participation
Perceptions of HIV Risk
perceived protection in trial participation
Altruism
Incentive for participation
Role overload (serving in multiple social or occupational roles)
Tolerance for ambiguity
Religious beliefs precluding research participation
Health beliefs precluding research participation                   
  2.3+1.2a 76.6%
66.4%
41.4%
2.8+1.1a
3.1+0.8a 55.9%
3.2+0.5 a
1.6+0.6a
2.7+0.8a
3.4+0.8a
3.1+0.4a
2.4+1.0a
3.1+0.8a
3.3+0.9a
2.0+0.7a
  1=Complete Access, 5 = No Access Percent Correct Responses
Percent Correct Responses
Percent of Participants
1=Strongly Disagree, 5=Strongly Agree
1=Strongly Disagree, 5=Strongly Agree Percent of Participants
1=Strongly Disagree, 5=Strongly Agree
1=Low Risk, 4=High Risk
1=Strongly Disagree, 5=Strongly Agree
1=Strongly Disagree, 5=Strongly Agree
1=Strongly Disagree, 5=Strongly Agree
1=Strongly Disagree, 5=Strongly Agree
1=Strongly Disagree, 5=Strongly Agree
1=Strongly Disagree, 5=Strongly Agree
1=Strongly Disagree, 5=Strongly Agree
Note. a=Mean+SD
Table 3: Summary scores of predictor variables for African Americans’ willingness to participate in HIV vaccine trials enrolled from three U.S. cites. (n=1,452).
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